1995 SUBARU LEGACY Service Repair Manual

Page 1465 of 2248

SUBARU LEGACY 1995  Service Repair Manual 1
CHECK AIR INTAKE SYSTEM.
1) Turn ignition switch to ON.
2) Start engine, and idle it.
3) Check intake manifold, idle air control solenoid valve
and throttle body for loose installation and gasket fo

Page 1466 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0366
3CHECK IDLE AIR CONTROL SOLENOID
VA LV E .
1) Turn ignition switch to OFF.
2) Measure resistance between solenoid valve terminals.
: Terminals
No. 1—No. 2 / 20Ω, or more
No. 2—No. 3 / 20

Page 1467 of 2248

SUBARU LEGACY 1995  Service Repair Manual B2M0253A
4CHECK POWER SUPPLY TO IDLE AIR CON-
TROL SOLENOID VALVE.
1) Turn ignition switch to OFF.
2) Disconnect connector from idle air control solenoid
valve.
3) Turn ignition switch to ON.
4) Measu

Page 1468 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0370
AI: DTC P0506
—IDLE CONTROL SYSTEM RPM LOWER
THAN EXPECTED (ISC
—L)—
DESCRIPTION:
Refer to“AH: DTC P0505—IDLE CONTROL SYSTEM
MALFUNCTION—[T11AH0]”.
DTC DETECTING CONDITION:
Two

Page 1469 of 2248

SUBARU LEGACY 1995  Service Repair Manual 2
CHECK AIR INTAKE SYSTEM.
1) Turn ignition switch to ON.
2) Start engine, and idle it.
: Is clogging the by-pass line between by-
pass hose and intake duct?
: Repair the by-pass line.
: Replace idle

Page 1470 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0371
AJ: DTC P0507
—IDLE CONTROL SYSTEM RPM HIGHER
THAN EXPECTED (ISC
—H)—
DESCRIPTION:
Refer to“AH: DTC P0505—IDLE CONTROL SYSTEM
MALFUNCTION—[T11AH0]”.
DTC DETECTING CONDITION:
Two

Page 1471 of 2248

SUBARU LEGACY 1995  Service Repair Manual 2
CHECK AIR INTAKE SYSTEM.
1) Turn ignition switch to ON.
2) Start engine, and idle it.
:Check intake manifold, idle air control
solenoid valve and throttle body for loose
installation and gasket for

Page 1472 of 2248

SUBARU LEGACY 1995  Service Repair Manual AK: DTC P0600
—SERIAL COMMUNICATION LINK
MALFUNCTION—
DESCRIPTION:
The serial communication link circuit monitors data com-
munication between scan tool and ECM.
DTC DETECTING CONDITION:
Two cons